diff --git a/packages/protobuf-demo/src/demo.spec.ts b/packages/protobuf-demo/src/demo.spec.ts
new file mode 100644
index 00000000..d1da48ef
--- /dev/null
+++ b/packages/protobuf-demo/src/demo.spec.ts
@@ -0,0 +1,5 @@
+describe("demo", () => {
+  it("runs", () => {
+    expect(true).toEqual(false);
+  });
+});
diff --git a/packages/protobuf-demo/src/demo.ts b/packages/protobuf-demo/src/demo.ts
new file mode 100644
index 00000000..e69de29b
diff --git a/packages/protobuf-demo/types/demo.d.ts b/packages/protobuf-demo/types/demo.d.ts
new file mode 100644
index 00000000..e69de29b